Home / 1,621.67-2,432.41-526.01

Finding the Fourth Proportional to 1,621.67, 2,432.41 and 526.01

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Solution

The fourth proportional to 1,621.67, 2,432.41 and 526.01 is: 788.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.67 : 2,432.41 = 526.01 : x
  2. Step 2: Convert to fraction form
    1,621.67/2,432.41 = 526.01/x
  3. Step 3: Cross multiply
    1,621.67x = 2,432.41 × 526.01
  4. Step 4: Simplify right side
    1,621.67x = 1,279,458.51
  5. Step 5: Solve for x
    x = 1,279,458.51/1,621.67
  6. Step 6: Final answer
    x = 788.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.